Much has been made of Nintendo's 3DS warning that the six-and-under crowd should probably stick to 2D mode, and while CEO Iwata has consented that "being proactive about informing our customer.... may not necessarily be positive for our sales," the American Optometric Association has put an interesting spin on all this. The group released a statement last week -- yes, during CES madness -- asserting that 3D viewing "may actually help uncover subtle disorders that, left uncorrected, often result in learning difficulties." Not only that, but the 36,000-strong group suggested "children younger than six can use the 3DS in 3D mode if their visual system is developing normally." So yeah, Little Timmy's Christmas 2011 isn't ruined just yet, but that leaves plenty of time for a competing study to come out confusing everyone even further.